Antheridium

[,ænθә'ridiәm]

(noun.) the male sex organ of spore-producing plants; produces antherozoids; equivalent to the anther in flowers.

Checked by Eugene--From WordNet

(n.) The male reproductive apparatus in the lower, consisting of a cell or other cavity in which spermatozoids are produced; -- called also spermary.

Editor: Theresa

n. the male reproductive organs of many cryptogams as ferns horse-tails mosses &c.

Edited by Babbage